Alert archive / Nebraska / Severe Thunderstorm Warnings in 1990
Severe Thunderstorm Warning 66, NWS Cheyenne, WY
NWS Cheyenne, WY issued this severe thunderstorm warning at Jun 30, 1990, 7:34 PM MDT for Scotts Bluff County, Nebraska. It was in force for 41 min. 1 report came from inside the area while it was in force.
The area
The counties it named, with what was reported inside it.
The facts
- Issued
- Jun 30, 1990, 7:34 PM MDT (01:34 UTC)
- Expired
- Jun 30, 1990, 8:15 PM MDT
- In force
- 41 min
- Issued by
- NWS Cheyenne, WY
- Area
- Whole counties
County Scotts Bluff County, NE
The radar
The WSR-88D network and its archive begin in 1991, so there is no radar volume for this alert.
What was reported inside it
| Time | Report | Where | Remark |
|---|---|---|---|
| Jun 30, 7:45 PM MDT | Hail 0.75 | Scotts Bluff, NE |
NCEI Storm Data entries that began inside the alert's area while it was in force. Before 2003 the local storm report archive is thin, so this is the record of what happened rather than what was phoned in. Storm Data before 1996 records only tornadoes, thunderstorm wind and hail.
The nearest sounding before it
Denver, CO (KDEN), launched 00:00Z, 1.6 hours before the alert went out and 224 km from the middle of its area. This is the routine balloon launch nearest before it, the air the forecaster had in hand, not a measurement taken for the alert.
- Mixed-layer CAPE
- 117 J/kg
- Mixed-layer CIN
- -69 J/kg
- Mixed-layer LCL
- 3789 m above ground
- 0-6 km bulk shear
- 27 kt
- 0-1 km storm-relative helicity
- 18 m²/s²
- 0-3 km storm-relative helicity
- 69 m²/s²
- Significant tornado parameter
- 0.0
- Supercell composite
- -0.0
The text
As transmitted, in the capitals the NWS used until 2016.
000
TTAA00 KBFF 010134
SVRBFF
NEC157-010215-
BULLETIN - IMMEDIATE BROADCAST REQUESTED
SEVERE THUNDERSTORM WARNING
NATIONAL WEATHER SERVICE SCOTTSBLUFF NE
734 PM MDT SAT JUN 30 1990
THE NATIONAL WEATHER SERVICE HAS ISSUED A SEVERE THUNDERSTORM
WARNING EFFECTIVE UNTIL 815 PM MDT FOR PEOPLE IN THE FOLLOWING
COUNTY
IN THE PANHANDLE OF NEBRASKA
SOUTHEAST SCOTTS BLUFF
AT 730 PM MDT A SEVERE THUNDERSTORM WAS INDICATED BY RADAR 10 MILES
SOUTHEAST OF SCOTTSBLUFF NEBRASKA MOVING TO THE EAST AT 10 MILES AN
HOUR.
IF THREATENING WEATHER APPROACHES...TAKE SHELTER INSIDE A REINFORCED
BUILDING. STAY AWAY FROM WINDOWS. A BASEMENT...INTERIOR HALLWAY...
OR A ROOM ON THE LOWEST FLOOR IS THE SAFEST PLACE IN MOST BUILDINGS.
MOTORISTS SHOULD AVOID LOW WATER CROSSINGS.
KIRKWhat forecasters said that day
The local office's own words before this severe thunderstorm warning went out, as it sent them, from the Iowa Environmental Mesonet's archive of National Weather Service text.
In the hours before
Special weather statement, Jun 30, 4:34 PM MDT, 3 hours before
WYZ012-017-302330- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE CHEYENNE WY 435 PM MDT SAT JUN 30 1990 ...THUNDERSTORMS DEVELOP ACROSS SOUTHEAST WYOMING... WIDELY SCATTERED THUNDERSTORMS DEVELOPED ACROSS PORTIONS OF GOSHEN COUNTY IN SOUTHEAST WYOMING THIS AFTERNOON. AT 430 PM THE STRONGEST STORM WAS LOCATED ABOUT 15 MILES NORTHWEST OF TORRINGTON. A FEW STORMS ALSO DEVELOPED IN LARAMIE COUNTY...AND WERE ABOUT 25 MILES NORTHEAST OF CHE*YENNE. THESE STORMS WILL CONTINUE THROUGH THIS EVENING. SOME STORMS WILL PRODUCE GUSTY WINDS...FREQUENT LIGHTNING...AND SMALL HAIL. GET INDOORS IF A THUNDERSTORM APPROACHES YOUR AREA. MENTZER
Special weather statement, Jun 30, 4:49 PM MDT, 2 hours 45 minutes before
NEZ011-302345- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 449 PM MDT SAT JUN 30 1990 ...STRONG THUNDERSTORMS ARE MOVING INTO THE WESTERN NEBRASKA PANHANDLE FROM EASTERN WYOMING... AT 445 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS WERE MOVING INTO THE WESTERN NEBRASKA PANHANDLE. THE STRONGEST THUNDERSTORMS WERE LOCATED 15 MILES NORTHWEST OF HARRISON...OR 50 MILES WEST OF CHADRON NEBRASKA IN NORTHERN SIOUX COUNTY AND 35 MILES NORTHWEST OF SCOTTSBLUFF NEBRASKA IN SOUTHERN SIOUX COUNTY OF THE NEBRASKA PANHANDLE. THESE STORMS WERE MOVING TO THE EAST AT 30 MILES AN HOUR. OTHER THUNDERSTORMS WERE ALSO OVER SOUTHEAST WYOMING AND SOUTHWEST SOUTH DAKOTA. THESE STORMS WERE ALSO MOVING TO THE EAST AT 30 MILES AN HOUR. BRIEF HEAVY RAIN...STRONG WIND AND HAIL ARE POSSIBLE WITH THESE STORMS AS THEY MOVE EAST ACROSS SIOUX COUNTY OF THE NEBRASKA PANHANDLE UNTIL 545PM MDT. KIRK
Special weather statement, Jun 30, 5:45 PM MDT, 1 hour 49 minutes before
NEZ011-010045- SPECIAL WEATHER STATEMENT NATIONAL WEATHER SERVICE SCOTTSBLUFF NE 545 PM MDT SAT JUN 30 1990 ...STRONG THUNDERSTORMS CONTINUE OVER THE WESTERN NEBRASKA PANHANDLE... AT 545 PM MDT...RADAR INDICATED STRONG THUNDERSTORMS OVER THE WESTERN NEBRASKA PANHANDLE. THE STRONGEST THUNDERSTORMS WERE LOCATED 35 MILES NORTHWEST OF SCOTTSBLUFF NEBRASKA IN SOUTHERN SIOUX COUNTY AND 20 MILES NORTHWEST OF CRAWFORD...OR 40 MILES WEST OF CHADRON NEBRASKA IN NORTHERN SIOUX COUNTY OF THE NEBRASKA PANHANDLE. THESE STORMS WERE MOVING TO THE EAST AT 20 MILES AN HOUR. OTHER THUNDERSTORMS WERE ALSO OVER SOUTHEAST WYOMING AND SOUTHWEST SOUTH DAKOTA. THESE STORMS WERE ALSO MOVING TO THE EAST AT 20 MILES AN HOUR. BRIEF HEAVY RAIN...STRONG WIND AND HAIL ARE POSSIBLE WITH THESE STORMS AS THEY MOVE EAST ACROSS SIOUX COUNTY OF THE NEBRASKA PANHANDLE UNTIL 645 PM MDT. KIRK
Nearby
Severe Thunderstorm Warnings in Nebraska, 1990Every severe thunderstorm warning in 1990
Sources
The product and its follow-ups from the Iowa Environmental Mesonet's archive of National Weather Service and Storm Prediction Center text; verification from NCEI's Storm Data; the sounding from the Mesonet's radiosonde archive.